Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that ...

NCERT books offer a number of problems based on every conceptual topic. Students are always advised to can practice all the NCERT questions as it helps them to assess their learning and prepare for ...

This is a preview. Log in through your library . Journal Information This monthly journal, published since 1900, is devoted entirely to research in pure and applied mathematics, and, in general, ...